The defect
Sutphen Corporation (Sutphen) is recalling certain 2021 fire trucks equipped with Cummins L9 diesel engines with part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
The risk
A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
The remedy
Cummins dealers will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed December 7, 2026. Owners may contact Cummins customer service at 1-800-286-6467 or Sutphen's customer service at 1-614-889-1005. Cummins number for this recall is C7311.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Sutphen Fire Truck | 2021 |
Components: FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Sutphen Fire Truck | 2021 | 0 | 2 |
Other fuel system, diesel recalls in 2026
12 of the 666 recall campaigns reported to NHTSA in 2026 concerned the fuel system, diesel; Sutphen Corporation filed 12 campaigns in all.
| 26V679000 15 Oct 2026 | Shyft Group |
| 26V669000 12 Oct 2026 | Temsa |
| 26V662000 8 Oct 2026 | Tiffin Motorhomes, Inc. |
| 26V660000 7 Oct 2026 | Daimler Trucks North America, LLC |
| 26V603000 21 Sept 2026 | Forest River, Inc. |
| 26V522000 10 Aug 2026 | Daimler Trucks North America, LLC |
| 26V523000 10 Aug 2026 | Daimler Trucks North America, LLC |
| 26V497000 30 Jul 2026 | Wanco, Inc. |
NHTSA recalls (public domain) · all recalls of 2026